FR2318161A1 - PROCESS FOR PREPARING DERIVATIVES OF PYRANNE - Google Patents

PROCESS FOR PREPARING DERIVATIVES OF PYRANNE

Info

Publication number: FR2318161A1
Authority: FR; France
Prior art keywords: pyranne; preparing derivatives; derivatives; preparing
Prior art date: 1975-07-17
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

FR7606288A

Other languages

French (fr)

Other versions

FR2318161B1 (en

Inventor

Tatsuya Shono

Shono Et Yoshihiro Matsumur Tatsuya

Yoshihiro Matsumur

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Otsuka Kagaku Yakuhin KK

Original Assignee

Otsuka Kagaku Yakuhin KK

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1975-07-17

Filing date

1976-03-05

Publication date

1977-02-11

1976-03-05 Application filed by Otsuka Kagaku Yakuhin KK filed Critical Otsuka Kagaku Yakuhin KK

1977-02-11 Publication of FR2318161A1 publication Critical patent/FR2318161A1/en

1978-08-25 Application granted granted Critical

1978-08-25 Publication of FR2318161B1 publication Critical patent/FR2318161B1/fr

Status Granted legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
- A23L27/20—Synthetic spices, flavouring agents or condiments

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Polymers & Plastics (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Health & Medical Sciences (AREA)
Nutrition Science (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Pyrane Compounds (AREA)
Epoxy Compounds (AREA)
Plural Heterocyclic Compounds (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

FR7606288A 1975-07-17 1976-03-05 PROCESS FOR PREPARING DERIVATIVES OF PYRANNE Granted FR2318161A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50087940A JPS5212166A (en)	1975-07-17	1975-07-17	Process for preparation of 4-pyron derivatives

Publications (2)

Publication Number	Publication Date
FR2318161A1 true FR2318161A1 (en)	1977-02-11
FR2318161B1 FR2318161B1 (en)	1978-08-25

Family

ID=13928886

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR7606288A Granted FR2318161A1 (en)	1975-07-17	1976-03-05	PROCESS FOR PREPARING DERIVATIVES OF PYRANNE
FR7606779A Granted FR2317921A1 (en)	1975-07-17	1976-03-10	TETRAHYDROPYRANE DERIVATIVES AND ANTIBACTERIAL AND ANTIFUNGAL PRODUCTS CONTAINING THESE SUBSTANCES

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR7606779A Granted FR2317921A1 (en)	1975-07-17	1976-03-10	TETRAHYDROPYRANE DERIVATIVES AND ANTIBACTERIAL AND ANTIFUNGAL PRODUCTS CONTAINING THESE SUBSTANCES

Country Status (8)

Country	Link
US (1)	US4059595A (en)
JP (1)	JPS5212166A (en)
BE (2)	BE844194A (en)
CH (2)	CH619700A5 (en)
DE (2)	DE2608932C2 (en)
FR (2)	FR2318161A1 (en)
GB (2)	GB1498365A (en)
IT (2)	IT1063916B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IE42789B1 (en) *	1975-08-28	1980-10-22	Pfizer	Preparation of gamma-pyrones
US4342697A (en) *	1975-08-28	1982-08-03	Pfizer Inc.	Preparation of gamma-pyrones
JPS532468A (en) *	1976-06-15	1978-01-11	Otsuka Chem Co Ltd	2,2-bis(3,4-epoxy-5-oxotetrahydropyrane)-ethers and method of preparing the same
CA1095921A (en) *	1976-08-02	1981-02-17	Thomas M. Brennan	Preparation of gamma-pyrones
JPS5353613U (en) *	1976-10-11	1978-05-09
US4390709A (en) *	1976-11-11	1983-06-28	Pfizer Inc.	Preparation of gamma-pyrones
US4191693A (en) *	1976-11-12	1980-03-04	Pfizer, Inc.	Preparation of gamma-pyrones from 3-substituted furans
JPS5481273A (en) *	1977-12-12	1979-06-28	Shin Etsu Chem Co Ltd	Preparation of pyranone halide
US4451661A (en) *	1982-04-26	1984-05-29	Pfizer Inc.	Preparation of gamma-pyrone intermediates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3159652A (en) *	1962-06-13	1964-12-01	Pfizer & Co C	Preparation of gamma-pyrones
US3476778A (en) *	1966-05-16	1969-11-04	Monsanto Co	Gamma-pyrone synthesis
US3491122A (en) *	1966-09-14	1970-01-20	Monsanto Co	Synthesis of 4-pyrones
JPS5145565B1 (en) *	1968-10-12	1976-12-04

1975
- 1975-07-17 JP JP50087940A patent/JPS5212166A/en active Granted
1976
- 1976-02-25 GB GB7539/76A patent/GB1498365A/en not_active Expired
- 1976-02-26 US US05/661,823 patent/US4059595A/en not_active Expired - Lifetime
- 1976-02-26 GB GB7540/76A patent/GB1496992A/en not_active Expired
- 1976-03-04 DE DE2608932A patent/DE2608932C2/en not_active Expired
- 1976-03-05 CH CH281776A patent/CH619700A5/de not_active IP Right Cessation
- 1976-03-05 CH CH281676A patent/CH617200A5/de not_active IP Right Cessation
- 1976-03-05 IT IT20921/76A patent/IT1063916B/en active
- 1976-03-05 FR FR7606288A patent/FR2318161A1/en active Granted
- 1976-03-09 IT IT21011/76A patent/IT1063914B/en active
- 1976-03-10 DE DE2609888A patent/DE2609888C3/en not_active Expired
- 1976-03-10 FR FR7606779A patent/FR2317921A1/en active Granted
- 1976-07-16 BE BE2055187A patent/BE844194A/en not_active IP Right Cessation
- 1976-07-16 BE BE2055186A patent/BE844193A/en not_active IP Right Cessation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number	Publication date
CH619700A5 (en)	1980-10-15
FR2318161B1 (en)	1978-08-25
BE844193A (en)	1976-11-16
DE2609888A1 (en)	1977-01-20
FR2317921A1 (en)	1977-02-11
FR2317921B1 (en)	1978-09-22
BE844194A (en)	1976-11-16
GB1496992A (en)	1978-01-05
DE2608932A1 (en)	1977-01-20
CH617200A5 (en)	1980-05-14
DE2609888C3 (en)	1979-05-10
GB1498365A (en)	1978-01-18
US4059595A (en)	1977-11-22
JPS5412465B2 (en)	1979-05-23
IT1063914B (en)	1985-02-18
IT1063916B (en)	1985-02-18
DE2608932C2 (en)	1982-07-08
JPS5212166A (en)	1977-01-29
DE2609888B2 (en)	1978-09-07

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Legal Events

Date	Code	Title	Description
1994-01-28	ST	Notification of lapse